Home / 3,389.30-5,081.92-1,633.22

Finding the Fourth Proportional to 3,389.30, 5,081.92 and 1,633.22

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Solution

The fourth proportional to 3,389.30, 5,081.92 and 1,633.22 is: 2,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.30 : 5,081.92 = 1,633.22 : x
  2. Step 2: Convert to fraction form
    3,389.30/5,081.92 = 1,633.22/x
  3. Step 3: Cross multiply
    3,389.30x = 5,081.92 × 1,633.22
  4. Step 4: Simplify right side
    3,389.30x = 8,299,893.38
  5. Step 5: Solve for x
    x = 8,299,893.38/3,389.30
  6. Step 6: Final answer
    x = 2,448.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.